✈️Flight safety secrets: The core role of high-precision IMUs in aviation

 

High-precision IMU plays an irreplaceable role in the aviation field. It provides key data support for the flight control system (FCS) by providing the acceleration and angular velocity of the carrier, and combining algorithms to solve attitude, speed and position information.

Take a high-precision IMU ER-MIMU-02Mini as an example for analysis.

In the flight control system, the data provided by IMU is the basis for the autopilot to achieve precise control. The autopilot continuously adjusts the flight parameters of the aircraft based on the data of IMU to ensure the stability and safety of the flight process.

Excellent precision performance

Gyroscope bias instability is 0.03deg/hr, and angle random walk is <0.01 °/√h; accelerometer bias repeatability is 100μg, and class II non-linearity coefficient is <100μg/g². 400Hz high-frequency data output, power consumption as low as 2W.

Such high-precision measurement capabilities can accurately measure the attitude changes of aircraft in aerial photogrammetry. Using the information provided by IMU, the captured images can be accurately geometrically corrected and positioned.

This makes the drawn maps more accurate and can meet the needs of high-precision geographic information in urban planning, land surveying, geological exploration and other fields.

In the aircraft's navigation system, the high-precision IMU cooperates with other navigation equipment to form a navigation system. When the GPS signal is interfered with or fails, this IMU can switch to the main navigation data source in a short time to ensure that the aircraft's navigation system continues to provide accurate position and attitude information.

Compact and lightweight design

Adopting modular design, the size is only 40*40*42 (mini version with shell)/27*26*34 (mini version without shell and baseboard), and the weight is 80g (mini version with shell)/ 40g (mini version without shell and baseboard).

This compact and lightweight design is crucial for the aviation field, which is extremely sensitive to weight and space. It can effectively reduce the load of equipment such as drones and aircraft, and improve flight performance and efficiency.

Powerful integration and compatibility

It can be customized by OEM, has good integration and compatibility, and can be easily integrated into various systems.

Simple operation can connect to the system and obtain IMU data. At the same time, by removing the baseboard shell, the size and weight of the IMU can be greatly reduced.

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New tools for drilling, well logging and mining, don’t you know about it yet?

 

In the fields of directional drilling, logging and mining, accurate control of direction and attitude is the core of successful operations. The complex industrial environment makes traditional sensors helpless. A new type of north seeker has become a tool for technological innovation with its unique advantages. Today we’ll take a closer look at why it’s essential for jobs in these fields.

**Break through space limitations: special-shaped design for easy installation**

Traditional inclinometers and MWD systems are installed at a certain distance from the drill bit, causing measurement errors; The cylindrical north seeker ER-MNS-09 adopts a compact design of 120mm × Φ30mm and weighs ≤150g. It can be directly embedded in the drilling rig's probe pipe and installed close to the drill bit.

This design is particularly suitable for oil logging tools (such as gyro tools, HDD tools) and TBM, significantly reducing measurement errors.

**Industry-leading accuracy: 0.25°secψ north-seeking accuracy**

In magnetic mining areas or deep well environments, magnetic field interference often leads to azimuth measurement deviations. The north seeker achieves true north orientation based on a three-axis MEMS gyroscope and accelerometer, with an accuracy of up to 0.25°secψ (1σ), far exceeding similar products on the market (generally 0.5°~1°secψ). The measurement error of the azimuth is controlled within a very small range.

Attitude tracking can be performed: output pitch, roll, and azimuth data to provide adjustment basis for drilling rigs or mining equipment. Initial attitude calibration and true north orientation are automatically completed in 5 minutes, greatly shortening the deployment time.

**A reliable partner in harsh environments: shock resistance, wide temperature range, and long battery life**

The operating environment of the oil and mining industry is extreme. The high-temperature version of the north seeker has an operating temperature of 5~125℃, which is suitable for high-temperature environments in deep wells; it can withstand strong shocks and vibrations during drilling to ensure continuous and stable data; it only requires 2W power and supports 6~12V wide voltage input, which is suitable for long-term continuous operation.

**Why choose a cylindrical north finder? **

Technological breakthrough: breaking the monopoly, the performance is comparable to that of a fiber optic gyroscope, and the cost is reduced;

Customized service: providing different accuracy and different temperature versions, normal temperature version (5~55℃) and high temperature version (5~125℃), to adapt to different operational needs;

For more data information, please discuss with me ：https://lnkd.in/eDyWMuWz

you can also take a screenshot and send it directly to this email address to ask : ericco188@ericcointernational.com

Applicable to coal mines, tunnels, and exploration! Northseeker's strength revealed

 

Under the surface, whether it is coal mining, tunnel penetration or geological exploration, accurate azimuth and orientation technology has always been the core guarantee of engineering safety and efficiency. North seekers are playing an irreplaceable role in these fields with their high precision and strong anti-interference characteristics.

Taking the north seeker ER-MNS-05Mini as an example, let’s understand how the north seeker works.

**Underground excavation**

The underground environment is complex, and deviations in the tunnel direction may lead to major safety hazards. Traditional measurement tools are easily affected by metal equipment and electromagnetic interference.

The north seeking accuracy of this north seeker can reach 0.25°secψ(1σ)! It can provide more accurate azimuth, pitch angle, roll angle and other attitude information. It not only has extremely high stability, but also is not affected by external interference and can be used in magnetic mining areas.

The shield machine is susceptible to interference from geological conditions and mechanical vibration during excavation. The guidance system integrated with the north seeker can correct the attitude of the shield machine in real time.

**Geological Exploration**

In geological surveys or tunnels passing through complex strata, it is necessary to accurately measure the direction of rock strata, fault directions, etc. The north seeker can provide a high-precision direction reference and can be used in conjunction with geological radar detection to ensure the accuracy of measurement data.

**Extreme size, flexible installation**

The size of ER-MNS-05 Mini is 40*40*42 (mini version with shell)/27*26*34 (mini version without shell and baseboard), and the weight is <80g (mini version with shell)/ 40g (mini version without shell and baseboard).

**OEM Customization**

It takes only a few simple steps to connect the product to your system and obtain the geocaching data without the 15-pin plug provided by our company. The size and weight of our products are significantly reduced by removing the base plate housing.

𝙄𝙛 𝙮𝙤𝙪 𝙖𝙧𝙚 𝙞𝙣𝙩𝙚𝙧𝙚𝙨𝙩𝙚𝙙 𝙞𝙣 𝙩𝙝𝙚 𝙄𝙈𝙐 𝙙𝙖𝙩𝙖𝙨𝙝𝙚𝙚𝙩, 𝙥𝙡𝙚𝙖𝙨𝙚 check and ask : https://lnkd.in/gJAs2hki

🔎 𝗠𝗮𝘅𝗶𝗺𝗶𝘇𝗶𝗻𝗴 𝗛𝗼𝗿𝗶𝘇𝗼𝗻𝘁𝗮𝗹 𝗗𝗶𝗿𝗲𝗰𝘁𝗶𝗼𝗻𝗮𝗹 𝗗𝗿𝗶𝗹𝗹𝗶𝗻𝗴 𝗦𝘂𝗰𝗰𝗲𝘀𝘀:𝗧𝗵𝗲 𝗙𝘂𝘁𝘂𝗿𝗲 𝗼𝗳 𝗨𝗻𝗱𝗲𝗿𝗴𝗿𝗼𝘂𝗻𝗱 𝗗𝗿𝗶𝗹𝗹𝗶𝗻𝗴 𝗔𝗰𝗰𝘂𝗿𝗮𝗰𝘆 𝗜𝘀 𝗛𝗲𝗿

 

Horizontal directional drilling technology completes the task of laying underground pipelines without destroying the surface environment. However, the practical application of this technology faces the challenge of accurately determining the drilling direction in complex underground environments.

As an instrument that can accurately measure the true north direction, the north finder provides an effective solution to the problem of determining the direction of horizontal directional drilling.

Take the ER-MNS-09 north finder as an example. It is a cylindrical north finder developed specifically for drilling. It is not restricted by the external environment and is not interfered by the magnetic field. It can provide azimuth and attitude information by itself.

It can be used in machines such as HDD tools, gyro tools and underground tunneling machines to reduce measurement errors.

Unique shape, flexible installation

The cylindrical shape is 120mm in length and only 30mm in diameter, and the weight is ≤150g. It can be installed in the probe behind the drill bit.

High-accuracy North Seeking

The north-seeking accuracy can reach 0.25°secψ(1σ), which can achieve high-precision directional measurement and meet the strict accuracy requirements of horizontal directional drilling.

Measure azimuth and attitude angle (pitch, roll) independently. The measurement error of azimuth is controlled within a very small range, providing reliable guarantee for drilling construction.

Self-alignment and attitude tracking function

After startup, it can automatically initialize alignment and then automatically determine the true north direction. The north search time only takes 5 minutes. It can also track and provide attitude information.

Adapt to harsh environment, stable and reliable

It can resist strong impact and vibration. The working temperature range of the normal temperature version is 5°C~+55°C. The working temperature range of the high temperature version is 5°C~+125°C.

𝙄𝙛 𝙮𝙤𝙪 𝙖𝙧𝙚 𝙞𝙣𝙩𝙚𝙧𝙚𝙨𝙩𝙚𝙙 𝙞𝙣 𝙩𝙝𝙚 𝙄𝙈𝙐 𝙙𝙖𝙩𝙖𝙨𝙝𝙚𝙚𝙩 : https://lnkd.in/eDyWMuWz

𝙥𝙡𝙚𝙖𝙨𝙚 send email to : ericco188@ericcointernational.com

RTK signal is easily blocked? IMU makes RTK have unlimited possibilities

When you use an RTK surveying instrument to measure in some places with obstructions or requiring a large tilt, do you always encounter weak signals, no signals, or inaccurate measurements?

Now many RTKs are equipped with IMUs to make measurements more efficient and accurate. IMUs can maintain short-term relative positioning accuracy when RTK signals are blocked or temporarily ineffective. A separate external IMU can meet measurement needs more flexibly.

For example, an IMU ER-MIMU-12 can perfectly solve the above problems while improving measurement and stakeout efficiency!

**Excellent performance, automatic tilt compensation**

Equipped with a three-axis gyroscope and a three-axis accelerometer, the built-in gyroscope dynamic measurement range is ±400°/s, bias instability ≤1°/h, angle random walk <0.25°/√h; accelerometer dynamic The measurement range is ±30g and the bias stability is <50ug.

The IMU can be used to perform real-time interference-free and automatic tilt compensation on the RTK surveying instrument, and can perform measurements at large tilt angles. The IMU data is used to sense the device’s attitude changes (roll angle, pitch angle, and yaw angle) and perform tilt compensation.

It can ignore magnetic fields and can achieve accurate measurements even in difficult locations.

**Compact size, easy integration**

The 120mm x Φ30mm cylindrical IMU weighs ≤150g and is very portable.

In some measurement scenarios that require rapid deployment, the cylindrical IMU can be conveniently fixed on a tripod or measuring rod and can be put into use quickly without complicated debugging, saving time and costs.

**Quick initialization and accurate dynamic measurement**

RTK initialization time is long, IMU can significantly shorten the RTK initialization time. You can initialize the internal IMU by walking a few meters and easily start the measurement mode!

Even if the measuring rod is moved, tilted or leveled during measurement, there is no need for tedious calibration procedures and the measurement can be continued immediately while ensuring measurement accuracy.

IMU can make RTK measurement results more accurate, improve measurement efficiency, and expand the application scope of RTK surveying instruments, especially in environments with limited GNSS signals.

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